Smaller size with full size performance will mount in more locations then ever before. ITEM IS IN STOCK!!!Comes with FREE mounting bracket. The Whelen Projector Series SA315P speakers are the new standard in siren speakers. These speakers offer amazing performance in a package of only 2.9" thick. With a full 100 Watts of warning power this speaker when combined with a 100 Watt siren will move traffic out of your way when you respond to a call. Installation of the SA315P only takes minutes and is perfect for concealed installations. The Whelen SA315P speaker exceeds California Title XIII, Class A, and SAE J8149 requirements. ?